Knowledge Management System of Hefei Institute of Physical Science,CAS
Investigation of Ti3AlC2 formation mechanism through diffusional reaction between carbon and Mo-modified Ti6Al4V | |
Xiao, Zhiyuan1; Ouyang, Sheng2; Zhu, Xiaoguang1; Xu, Wei1; Wang, Zhaoming1; Shao, Cheng1 | |
2020-04-01 | |
发表期刊 | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY |
ISSN | 0955-2219 |
通讯作者 | Xiao, Zhiyuan(kilo2010@126.com) |
摘要 | Carbon and Mo-coated Ti6Al4V alloy diffusion couple was used to investigate Mo-modified diffusion reaction between carbon and Ti6Al4V. Randomly dispersed carbide particles were observed in Ti6Al4V alloy after 900 degrees C exposure. Carbide particles were found evolving from defective TiCx (x < 1) to mixture of TiCx and defective Ti3AlC2. Although Mo atoms were hardly detected in particles, their dilution effect along Ti alloy grain boundary (GB) is beneficial to carbon diffusion and carbide formation along GB. Based on high-resolution TEM (HRTEM) imaging, high density stacking faults (SFs) and nanotwins were observed in TiCx particles which explain Raman activation of defects in TiC. Formation of SFs and nanotwins in TiCx is attributed to carbon vacancies, which inversely promotes incoherent twin boundary (ITB) formation. Transformation from TiCx to Ti3AlC2 is considered driven by Al indiffusion along ITBs. Intergrowth of TiCx in defective Ti3AlC2 is the compromise to low Al concentration in Ti6Al4V. |
关键词 | Ti3AlC2 TiC Diffusion reaction Nanotwin Titanium alloy |
DOI | 10.1016/j.jeurceramsoc.2019.11.062 |
关键词[WOS] | COMBUSTION SYNTHESIS ; M(N+1)AX(N) PHASES ; RAMAN-SCATTERING ; AL ; TI2ALC ; VACANCIES ; ENERGY ; TI |
收录类别 | SCI |
语种 | 英语 |
资助项目 | CASHIPS Director's Fund[YZJJ2019QN15] |
项目资助者 | CASHIPS Director's Fund |
WOS研究方向 | Materials Science |
WOS类目 | Materials Science, Ceramics |
WOS记录号 | WOS:000514747500022 |
出版者 | ELSEVIER SCI LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/103928 |
专题 | 中国科学院合肥物质科学研究院 |
通讯作者 | Xiao, Zhiyuan |
作者单位 | 1.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China 2.Nanchang Hangkong Univ, Sch Mat Sci & Engn, Nanchang 330063, Jiangxi, Peoples R China |
第一作者单位 | 中科院固体物理研究所 |
通讯作者单位 | 中科院固体物理研究所 |
推荐引用方式 GB/T 7714 | Xiao, Zhiyuan,Ouyang, Sheng,Zhu, Xiaoguang,et al. Investigation of Ti3AlC2 formation mechanism through diffusional reaction between carbon and Mo-modified Ti6Al4V[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2020,40. |
APA | Xiao, Zhiyuan,Ouyang, Sheng,Zhu, Xiaoguang,Xu, Wei,Wang, Zhaoming,&Shao, Cheng.(2020).Investigation of Ti3AlC2 formation mechanism through diffusional reaction between carbon and Mo-modified Ti6Al4V.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,40. |
MLA | Xiao, Zhiyuan,et al."Investigation of Ti3AlC2 formation mechanism through diffusional reaction between carbon and Mo-modified Ti6Al4V".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 40(2020). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论